diff --git a/tests/misra/coverage_table b/tests/misra/coverage_table
index eb30437c..dcb5992b 100644
--- a/tests/misra/coverage_table
+++ b/tests/misra/coverage_table
@@ -9,7 +9,7 @@
 2.6     X (Cppcheck)
 2.7     
 3.1     X (Addon)
-3.2     
+3.2     X (Addon)
 4.1     X (Addon)
 4.2     X (Addon)
 5.1     X (Addon)
@@ -123,7 +123,7 @@
 20.12   
 20.13   X (Addon)
 20.14   X (Addon)
-21.1    
+21.1    X (Addon)
 21.2    
 21.3    X (Addon)
 21.4    X (Addon)
@@ -134,7 +134,7 @@
 21.9    X (Addon)
 21.10   X (Addon)
 21.11   X (Addon)
-21.12   
+21.12   X (Addon)
 22.1    X (Cppcheck)
 22.2    X (Cppcheck)
 22.3    
diff --git a/tests/misra/suppressions.txt b/tests/misra/suppressions.txt
index b98a491e..e0a27083 100644
--- a/tests/misra/suppressions.txt
+++ b/tests/misra/suppressions.txt
@@ -4,3 +4,5 @@ misra.19.2
 misra.11.4
 # Advisory: casting from void pointer to type pointer is ok. Done by STM libraries as well
 misra.11.5
+# Required: it's ok re-defining potentially reserved Macro names. Not likely to cause confusion
+misra.21.1
diff --git a/tests/misra/test_misra.sh b/tests/misra/test_misra.sh
index b681b400..25422907 100755
--- a/tests/misra/test_misra.sh
+++ b/tests/misra/test_misra.sh
@@ -4,7 +4,7 @@ mkdir /tmp/misra || true
 git clone https://github.com/danmar/cppcheck.git || true
 cd cppcheck
 git fetch
-git checkout 7d6d561c84cfc6dd84f51378d3123a17fe0a1aa5
+git checkout bdd41151ed550e3d240a6dd6847859216b7ad736
 make -j4
 cd ../../../